Peter Ian Day
7Patents
6h-index
18Co-inventors
56Inventor score
Filing activity: Jun 19, 1989 → Mar 31, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4933638A | Borehole measurement of NMR characteristics of earth formations, and interpretations thereof | Physics | 110 | Expired |
| US6646437B1 | System and method for clay typing using NMR-based porosity modeling | Physics | 37 | Expired |
| US6255819A | System and method for geologically-enhanced magnetic resonance imaging logs | Physics | 36 | Expired |
| US6541969B2 | Method and apparatus for improving the vertical resolution of NMR logs | Physics | 32 | Expired |
| US6337568B1 | System and method for enhanced vertical resolution magnetic resonance imaging logs | Physics | 29 | Expired |
| US5142472A | Method of measuring the resistivity and thickness of a thin underground layer using induction logging | Fixed Constructions | 9 | Expired |
| US6903547B2 | Method and apparatus for improving the vertical resolution of NMR logs | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.